The temperature on February 5, 1910 was between -1.6 °C and 5.0 °C and averaged 2.1 °C. There was 0.2 mm of rain. There was 1.3 hours of sunshine (14%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
January 15 » Construction ends on the Buffalo Bill Dam in Wyoming, United States, which was the highest dam in the world at the time, at 325ft (99m).
June 17 » Aurel Vlaicu pilots an A. Vlaicu nr. 1 on its first flight.
June 19 » The first Father's Day is celebrated in Spokane, Washington.
July 16 » John Robertson Duigan makes the first flight of the Duigan pusher biplane, the first aircraft built in Australia.
October 6 » Eleftherios Venizelos is elected prime minister of Greece for the first of seven times.
October 22 » Hawley Harvey Crippen (the first felon to be arrested with the help of radio) is convicted of poisoning his wife.
Day of marriage January 5, 1943
The temperature on January 5, 1943 was between -4.8 °C and -0.1 °C and averaged -2.3 °C. There was 0.1 mm of rain. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
January 15 » World War II: The Soviet counter-offensive at Voronezh begins.
April 5 » World War II: American bomber aircraft accidentally cause more than 900 civilian deaths, including 209 children, and 1,300 wounded among the civilian population of the Belgian town of Mortsel. Their target was the Erla factory one kilometer from the residential area hit.
April 8 » Otto and Elise Hampel are executed in Berlin for their anti-Nazi activities.
May 17 » World War II: Dambuster Raids commence by No. 617 Squadron RAF.
July 11 » Massacres of Poles in Volhynia and Eastern Galicia by the Ukrainian Insurgent Army within the Reichskommissariat Ukraine (Volhynia) peak.
November 15 » The Holocaust: German SS leader Heinrich Himmler orders that Gypsies are to be put "on the same level as Jews and placed in concentration camps".
Day of death June 15, 1972
The temperature on June 15, 1972 was between 7.4 °C and 16.6 °C and averaged 11.7 °C. There was 0.1 mm of rain during 0.4 hours. There was 6.3 hours of sunshine (38%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from April 5, 1967 to Tuesday, July 6, 1971 the cabinet Biesheuvel I, with Mr. B.W. Biesheuvel (ARP) as prime minister.
In The Netherlands , there was from Thursday, July 20, 1972 to Friday, May 11, 1973 the cabinet Biesheuvel II, with Mr. B.W. Biesheuvel (ARP) as prime minister.
June 17 » Watergate scandal: Five White House operatives are arrested for burgling the offices of the Democratic National Committee during an attempt by members of the administration of President Richard M. Nixon to illegally wiretap the political opposition as part of a broader campaign to subvert the democratic process.
June 20 » Watergate scandal: An 18½-minute gap appears in the tape recording of the conversations between U.S. President Richard Nixon and his advisers regarding the recent arrests of his operatives while breaking into the Watergate complex.
August 16 » In an unsuccessful coup d'état attempt, the Royal Moroccan Air Force fires upon Hassan II of Morocco's plane while he is traveling back to Rabat.
November 23 » The Soviet Union makes its final attempt at successfully launching the N1 rocket.
November 30 » Vietnam War: White House Press Secretary Ron Ziegler tells the press that there will be no more public announcements concerning American troop withdrawals from Vietnam because troop levels are now down to 27,000.
December 8 » United Airlines Flight 553, a Boeing 737, crashes after aborting its landing attempt at Chicago Midway International Airport, killing 45. This is the first-ever loss of a Boeing 737.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I3611.php : accessed January 21, 2026), "Pieter Jacobus Koorts (1910-1972)".
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